Which american psychologist demonstrated the existence of sensory memory in a 1960 experiment?

George Sperling

Explanation:

The psychologist George Sperling experimented the existence and duration of sensory memory in the year 1960.

Sensory memory is a very brief memory that lasts for about three seconds or less and ceases after the stimulant had been removed. It is the first stage of memory where humans store an image for a brief moment, before it is discarded (forgotten).

Sensory memory retains a very short-lived impression of an image, the important details of this impression are then being transferred to the short-term memory.

the banking act of 1935 gave the president authority to appoint the seven members of the federal reserve system and the group's chairman.

explanation:

the president has the power to appoint federal judges, ambassadors, and other "principal officers” of the united states, subject to senate confirmation of such appointments.